Does the parameter type of the setter match the return type of the getter?

[align=left][/align]当出现这个错误时应该就是你的bean.xml中的<property name="guohao"></property>
这个bean在相应的java类中没有set方法，这个在搭框架的时候特别容易犯错.
这里分析一下bean.xml


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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
>
<context:annotation-config/>
<bean id="mydataSource"class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName"value="oracle.jdbc.driver.OracleDriver"/>
<property name="url" value="jdbc:oracle:thin:@127.0.0.1:1521:ORCL"/>
<property name="username" value="scott"/>
<property name="password" value="tiger"/>
</bean>

<bean id="mySessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource" ref="mydataSource"/>
<property name="mappingResources">
<list>
<value>com/guohao/rw/userpass/bean/UserInfor.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<value>
hibernate.dialect=org.hibernate.dialect.OracleDialect
</value>
</property>
</bean>

<bean id="txManager"class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="mySessionFactory"/>
</bean>
<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<tx:method name="select*" read-only="true"/>
<tx:method name="get*" read-only="true"/>
<tx:method name="query*" read-only="true"/>


</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="busiServiceOperation" expression="execution(* com.guohao.rw.service..*.*(..)) "/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="busiServiceOperation"/>
</aop:config>

<bean id="userPassDao" class="com.guohao.rw.userpass.dao.UserPassDaoImpl" >
<property name="sessionFactory">
<ref bean="mySessionFactory" />
</property>
</bean>

<bean id="userPassService" class="com.guohao.rw.userpass.service.UserPassServiceImpl">
<property name="userPassDao">
<ref bean="userPassDao" />
</property>
</bean>

<bean id="userPass" class="com.guohao.rw.userpass.action" scope="prototype">
<property name="userPassService">
<ref bean="userPassService" />
</property>
</bean>

</beans>